Stump burner



Jan. 12, 1932. 1 E, J, sTRlEBLE 1,841,306

STUMP BURNER Filed Feb. 10, 1930' 2 Sheets-Sheet l INVENTOR ATTORNEY STUMP BURNER Filed Feb. 10, 1930 2 Sheets-Sheet 2 ATTOR NEY Patented Jan. 12, 1932 UNITED STATES,

EDWARD J. STRIEBLE, F.urri siorrzmonrmnn v STUMP I Burtniin I Application filed February 10', 193e *seriai- Ne. 4 273129.

draft outlet, both at the top and bottom of the casing to provide perfect combustion therein and destroying a stump within a very short time and with a minimumconsumption of fuel. 7 7

With the above and other objects in View, the invention further includes the following novel features and details of construction, to be hereinafter more fully described, illustrated in the accompanying drawings and pointed out in the appended claims.

In the drawings:

Figure l is an elevation illustrating the invention.

Figure 2 is a top plan view of the burner casing. V

Figure 3 is a section the Figure 2. a p V V Figures 4 and 5 are sections taken respectively on the lines 4-4 and '5-5 of Figure 3. 7 7 I" Figure 6 is an enlarged fragmentary sectional view at the juncture of the oil and air supply pipes. I v I Referring to the drawings in detail, wherein like characters of reference denote corresponding parts, the reference character 10 indicates the burner casing, which is made on the line 3 3 of of suitable metal, open at the bottom and provided with a closed top 11. The casing 10 is provided with a slide door 12 thru which extends a pipe 13, and connected to the inner end of this pipe is an areuate burner 14.

The pipe 13 communicates with the bottom of a fuel tank 15 which is adapted to contain oil and air under pressure, the latter being supplied from a suitable source from a pipe16. Oil is introduced into the tank thru a filling nipple 17, and the tank oFFicE' maybe supported upon ;a suitable structure 7 ,18. Avalve 19' eontrolfsa discharge of oil from the tank;

Extending from the top of'thetankis-an I airsupplypipe--20, thru which -air;under pressure issupp'lied to the pipe 19from the tanlr l5, the supply being regulated by a va1;re-21;. Located within-the pipellat its -}l1I1Ct111 'wit h'the pipe20 is an ejector nozzle 22, so that air passing from the pipe 20 to the pipe 13 'vill draw "oil thru this nbzZle'and force the sameunder pressure: from the pipe l3= to the burner l, so that a supply of 'oil and alris 'furnished to the burner. The

the burner 14 is of 'areuate shape, it willpartly surround the, stump S so that the'stump burneris initia'lly Heatedjsothat the oil will E be11;wapo1:ized ;-and a gaseous mixture will form-avhi'ch will resultin a-hot fl'ame; As

preferably; bored,as' indicated area to per- Hill? ofthe pass'ageofflametherethru-and materlally reduce time necessary for-burning.

Theta'singlQ isprovided with slide floors tranceof air, while ajpipe'or flue 25 com 24', which maybe adjusted to regulate the enmunicates with the casing at the top andbottom thereof, as'indicated at 26. This com; o

munication is controlled by a means of slide dampers 27 The dampers may be adjusted to close or partly close communication either at the top or bottom of the casing.

Extending downwardthru the top of the The pipes 28 are vertically I the medium of adjusting collars 30, sothat adjusted thru V casing are down draft pipes 28. These pipes are pen at the bottom and terminated short V by regulating the height of these pipes, down draft through the casings may be accordingly controlled and perfect. combustion provided forthe burner. p

The invention is susceptible of various changes in its form, proportions and minor,

details of cfinst-ructiomand theright is herein reservedto make such changes as probably fall Within the scope of the appended claims.

Having described the invention What is claimed is:

1. In a stump burner, a casing closed at the top and adapted to be placed over the stump to be burned, a burner Within the casing, means to supply fuel to the burner, an outlet flue communicating With the casing at the top and bottom of the latter, and dampers to control such communication and regulate the draft from the top and bottom of said casing.

2. In a stump burner, a casing closed at the top and adapted to be placed ove r the stump to be burned, a burner Within the ,cas-

ing, means to supply fuel to the'burner, an

outlet flue communicating with the casing at the top and bottom of the latter, dampers to controlsuch communication and regulate the draft from thetop and bottom of said casing, a down draft pipe extending thru the top of the casing and terminating short of the bottom thereof, a damper to control the up per end of the pipe, and means to adjust the pipe Vertically to regulate such draft.

3. In a stump burner, a casing closed. at

the top and adapted to be placed over the stump to beburned, a burner Within the easing, means to supply fuel to'the burner, an outlet flue communicating with the-casing at the top and bottom of the latter, dampers to control such communication and regulate the drafting from the top and bottom of said a casing, down draft pipes extending thru the top of the casing and terminating short of vthe bottom thereof, dampers to close the upper ends of the pipes, a means to adjust the pipes vertically to regulate such draft.

.In testimony whereof I aifix my signature.

EDWARD J. STRIEBLE. 

